Superior material Made of high quality polyester yarn and 45 steel, the seat belt extender is durable enough for long time use. Comfortable With the extender, you can adjust the belt to comfortable length as you like and enjoy the trip. Adjustable The length can be adjusted to 25-80cm10" - 31.5", so the safety belt extension is suitable for children and adults, provide more space and comfort for you. Easy to carry -- The soft velour pouch also helps to keep the extender from getting tangled up in other items, You can roll this belt into a small size and carry it with your bag or suitcase easily, it will not take up space and bring more convenience for you. How to use Just clip the extender into right place on both side and adjust the suitable length according to your need, it will provide safety for you.